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Finding the Fourth Proportional to 35,607.71, 49,130.62 and 21,264.94

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Solution

The fourth proportional to 35,607.71, 49,130.62 and 21,264.94 is: 29,340.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,607.71 : 49,130.62 = 21,264.94 : x
  2. Step 2: Convert to fraction form
    35,607.71/49,130.62 = 21,264.94/x
  3. Step 3: Cross multiply
    35,607.71x = 49,130.62 × 21,264.94
  4. Step 4: Simplify right side
    35,607.71x = 1,044,759,694.71
  5. Step 5: Solve for x
    x = 1,044,759,694.71/35,607.71
  6. Step 6: Final answer
    x = 29,340.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.